springfield, massachusetts, about 90 miles westofboston. theblast was so loud, it was heard for miles around. >> i jumped. i could feel the garbage cans move next to me. i could hear the windows shaking. automatically -- i knew where it came from, from this part of the city. >> firefighters were investigating a gas leak about 40 minutes before the explosion. some of the injured include firefighters and utility workers, but authorities say there were no fatalities. >>> well, a party train from southern california to las vegas is on the fast track to becoming reality. the las vegas railway express and union pacific railroad have agreed to start working on tracks for what they call the x train. it would make the roundtrip from fullerton in orange county to downtown las vegas using trains equipped with big screen tvs, recliners and two of these, they are calling them ultra lounges. crews hoping to have the new line up and running by new year's eve 2013. >>> california lived up to its reputation as being the bluest of the blue states this year. it the state's congressional delegation is ov